SMILES : O=C(OCC)c(cccc1)c1
CHEM : Benzoic acid, ethyl ester
CAS NUM: 000093-89-0
MOL FOR: C9 H10 O2
MOL WT : 150.18
------------------------------ EPI SUMMARY (v3.20) --------------------------
Physical Property Inputs:
Water Solubility (mg/L): ------
Vapor Pressure (mm Hg) : ------
Henry LC (atm-m3/mole) : ------
Log Kow (octanol-water): ------
Boiling Point (deg C) : ------
Melting Point (deg C) : ------
Log Octanol-Water Partition Coef (SRC):
Log Kow (KOWWIN v1.67 estimate) = 2.32
Log Kow (Exper. database match) = 2.64
Exper. Ref: Hansch,C et al. (1995)
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
Boiling Pt (deg C): 215.57 (Adapted Stein & Brown method)
Melting Pt (deg C): -0.50 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.197 (Mean VP of Antoine & Grain methods)
MP (exp database): -34 deg C
BP (exp database): 212 deg C
VP (exp database): 2.67E-01 mm Hg at 25 deg C
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 421.5
log Kow used: 2.64 (expkow database)
no-melting pt equation used
Water Sol (Exper. database match) = 720 mg/L (25 deg C)
Exper. Ref: YALKOWSKY,SH & DANNENFELSER,RM (1992)
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 1119 mg/L
Wat Sol (Exper. database match) = 720.00
Exper. Ref: YALKOWSKY,SH & DANNENFELSER,RM (1992)
ECOSAR Class Program (ECOSAR v0.99h):
Class(es) found:
Esters
Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
Bond Method : 4.61E-005 atm-m3/mole
Group Method: 2.45E-005 atm-m3/mole
Exper Database: 7.33E-05 atm-m3/mole
Henrys LC [VP/WSol estimate using EPI values]: 9.236E-005 atm-m3/mole
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 2.64 (exp database)
Log Kaw used: -2.523 (exp database)
Log Koa (KOAWIN v1.10 estimate): 5.163
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.9783
Biowin2 (Non-Linear Model) : 0.9988
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 3.0295 (weeks )
Biowin4 (Primary Survey Model) : 3.8649 (days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.7000
Biowin6 (MITI Non-Linear Model): 0.8437
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.6954
Ready Biodegradability Prediction: YES
Hydrocarbon Biodegradation (BioHCwin v1.01):
Structure incompatible with current estimation method!
Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
Vapor pressure (liquid/subcooled): 35.6 Pa (0.267 mm Hg)
Log Koa (Koawin est ): 5.163
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 8.43E-008
Octanol/air (Koa) model: 3.57E-008
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 3.04E-006
Mackay model : 6.74E-006
Octanol/air (Koa) model: 2.86E-006
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 2.2920 E-12 cm3/molecule-sec
Half-Life = 4.667 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 56.000 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi): 4.89E-006 (Junge,Mackay)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (PCKOCWIN v1.66):
Koc : 143
Log Koc: 2.155
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
Total Kb for pH > 8 at 25 deg C : 3.776E-002 L/mol-sec
Kb Half-Life at pH 8: 212.462 days
Kb Half-Life at pH 7: 5.817 years
Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
Log BCF from regression-based method = 1.333 (BCF = 21.52)
log Kow used: 2.64 (expkow database)
Volatilization from Water:
Henry LC: 7.33E-005 atm-m3/mole (Henry experimental database)
Half-Life from Model River: 18.26 hours
Half-Life from Model Lake : 223.2 hours (9.299 days)
Removal In Wastewater Treatment:
Total removal: 7.11 percent
Total biodegradation: 0.10 percent
Total sludge adsorption: 3.37 percent
Total to Air: 3.64 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 5.75 112 1000
Water 23.6 360 1000
Soil 70.4 720 1000
Sediment 0.207 3.24e+003 0
Persistence Time: 435 hr